Best eSIM for Japan in 2026: Complete Comparison & Guide
Discover the best eSIM plans for traveling to Japan. Detailed comparison with real prices, exclusive promo codes, and recommendations by travel profile.
All eSIM plans for Japan by Esimflare in 2026
197 plans found · Last update:
| # | Plan | Data | Duration | Price/GB | Promo code | Price |
|---|---|---|---|---|---|---|
1 |  Japan 1GB 7Days Esimflare | 1.00GB | 7 days | $2.70 | -10% | $2.70$3.00 |
2 | Japan 500MB 7Days Esimflare | 0.49GB | 7 days | $5.51 | -10% | $2.70$3.00 |
3 | Japan 100MB 7Days Esimflare | 0.10GB | 7 days | $27.00 | -10% | $2.70$3.00 |
4 | Japan 3GB 15Days Esimflare | 3.00GB | 15 days | $1.02 | -10% | $3.06$3.40 |
5 | Japan 1GB 7Days (nonhkip) Esimflare | 1.00GB | 30 days | $2.70 | -10% | $2.70$3.00 |
6 | Japan 1GB 7Days (IIJ) Esimflare | 1.00GB | 30 days | $2.70 | -10% | $2.70$3.00 |
7 | Japan 3GB 15Days (IIJ) Esimflare | 3.00GB | 30 days | $1.02 | -10% | $3.06$3.40 |
8 | China mainland & Japan & South Korea 1GB 7Days Esimflare | 1.00GB | 7 days | $4.14 | -10% | $4.14$4.60 |
9 | Japan 3GB 30Days (IIJ) Esimflare | 3.00GB | 30 days | $1.08 | -10% | $3.24$3.60 |
10 | Japan 3GB 30Days Esimflare | 3.00GB | 30 days | $1.08 | -10% | $3.24$3.60 |
11 | Japan 500MB/Day Esimflare | 2.44GBLimite journalière: 500 MB/jour | 5 days | $1.84 | -10% | $4.50$5.00 |
12 | Japan 500MB/Day (IIJ) Esimflare | 2.44GBLimite journalière: 500 MB/jour | 5 days | $1.84 | -10% | $4.50$5.00 |
13 | Japan 500MB/Day (nonhkip) Esimflare | 2.44GBLimite journalière: 500 MB/jour | 5 days | $1.92 | -10% | $4.68$5.20 |
14 | Japan 500MB/Day Esimflare | 0.49GBLimite journalière: 500 MB/jour | 1 days | $5.51 | -10% | $2.70$3.00 |
15 | Japan 500MB/Day (IIJ) Esimflare | 0.49GBLimite journalière: 500 MB/jour | 1 days | $5.51 | -10% | $2.70$3.00 |
#1
Japan 1GB 7Days
Esimflare
Data
1.00GB
Duration
7 days
Price/GB
$2.70
Promo code-10% With promo
$2.70
$3.00
#2
Japan 500MB 7Days
Esimflare
Data
0.49GB
Duration
7 days
Price/GB
$5.51
Promo code-10% With promo
$2.70
$3.00
#3
Japan 100MB 7Days
Esimflare
Data
0.10GB
Duration
7 days
Price/GB
$27.00
Promo code-10% With promo
$2.70
$3.00
#4
Japan 3GB 15Days
Esimflare
Data
3.00GB
Duration
15 days
Price/GB
$1.02
Promo code-10% With promo
$3.06
$3.40
#5
Japan 1GB 7Days (nonhkip)
Esimflare
Data
1.00GB
Duration
30 days
Price/GB
$2.70
Promo code-10% With promo
$2.70
$3.00
#6
Japan 1GB 7Days (IIJ)
Esimflare
Data
1.00GB
Duration
30 days
Price/GB
$2.70
Promo code-10% With promo
$2.70
$3.00
#7
Japan 3GB 15Days (IIJ)
Esimflare
Data
3.00GB
Duration
30 days
Price/GB
$1.02
Promo code-10% With promo
$3.06
$3.40
#8
China mainland & Japan & South Korea 1GB 7Days
Esimflare
Data
1.00GB
Duration
7 days
Price/GB
$4.14
Promo code-10% With promo
$4.14
$4.60
#9
Japan 3GB 30Days (IIJ)
Esimflare
Data
3.00GB
Duration
30 days
Price/GB
$1.08
Promo code-10% With promo
$3.24
$3.60
#10
Japan 3GB 30Days
Esimflare
Data
3.00GB
Duration
30 days
Price/GB
$1.08
Promo code-10% With promo
$3.24
$3.60
#11
Japan 500MB/Day
Esimflare
Data
2.44GB
Limite journalière: 500 MB/jour
Duration
5 days
Price/GB
$1.84
Promo code-10% With promo
$4.50
$5.00
#12
Japan 500MB/Day (IIJ)
Esimflare
Data
2.44GB
Limite journalière: 500 MB/jour
Duration
5 days
Price/GB
$1.84
Promo code-10% With promo
$4.50
$5.00
#13
Japan 500MB/Day (nonhkip)
Esimflare
Data
2.44GB
Limite journalière: 500 MB/jour
Duration
5 days
Price/GB
$1.92
Promo code-10% With promo
$4.68
$5.20
#14
Japan 500MB/Day
Esimflare
Data
0.49GB
Limite journalière: 500 MB/jour
Duration
1 days
Price/GB
$5.51
Promo code-10% With promo
$2.70
$3.00
#15
Japan 500MB/Day (IIJ)
Esimflare
Data
0.49GB
Limite journalière: 500 MB/jour
Duration
1 days
Price/GB
$5.51
Promo code-10% With promo
$2.70
$3.00
Written and reviewed by
Valentin FourierDigital Nomad
Developer and digital nomad, I lived between Canada and the United States before continuing to explore the world. After struggling with internet connectivity abroad one too many times, I created eSIM Planet to compare plans clearly and honestly. Every article is carefully written and reviewed to save you time and money.
How to use the Esimflare promo code for Japan?
1
Choose your plan
Select the Esimflare plan that fits your needs for your trip to Japan.
2
Go to checkout
Click "View offer" to be redirected to the official Esimflare website.
3
Enter code ESIMP
In the "Promo code" field, enter exactly ESIMP to get 10% off.
4
Activate your eSIM
Complete the purchase and receive your QR code by email. Scan it to activate your Japan eSIM.
Why choose Esimflare for Japan?
Esimflare is one of the most reliable eSIM providers for Japan. With 197 plans available from $2.70, you'll find the perfect offer for your stay.
Plans from $2.70 for Japan
Instant QR code activation
Quality 4G/5G coverage
Responsive customer support
Keep your home phone number
No hidden fees
FAQ about Esimflare Japan
Is the Esimflare promo code valid for Japan in 2026?
Yes, code ESIMP is valid and verified for Japan in 2026. It gives you 10% off all Esimflare plans for Japan.
What network coverage does Esimflare offer in Japan?
Esimflare partners with top local carriers in Japan to provide optimal 4G/LTE coverage. In major cities, you often get 5G depending on your device.
How much does a Esimflare eSIM for Japan cost?
Esimflare plans for Japan start from $2.70. With code ESIMP, you get an additional 10% discount.
Can I use my Esimflare eSIM as soon as I arrive in Japan?
Yes, you can install your Esimflare eSIM before departure and activate it upon arrival in Japan. Activation is instant once connected to the local network.
How do I activate my Esimflare eSIM for Japan?
After purchase, you'll receive a QR code by email. Scan it in your phone settings (Settings > Cellular > Add eSIM Plan on iPhone). Activation takes less than 5 minutes.
Looking for a Esimflare eSIM for your trip to Japan in 2026? You're in the right place. eSIM Planet presents all Esimflare plans available for Japan, with the best prices and exclusive promo code ESIMP for 10% off.
Esimflare is known for quality service and network coverage in Japan. Whether traveling for tourism or business, Esimflare plans keep you connected without exorbitant roaming fees from your home carrier.
The advantage of choosing a Esimflare eSIM for Japan? Instant activation, transparent prices from $2.70, and the ability to keep your home number. No need to search for a SIM shop at the airport or wait for delivery.
